#027CF1
Closest named color: Clear Blue (#247AFD). oklch(59.7% 0.198 255.3), rgb(2, 124, 241).
Aa
Black text reads best on this color (5.15:1).
About this color
#027CF1 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.198 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.022 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.198) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #027CF1 |
| RGB | rgb(2, 124, 241) |
| HSL | hsl(209, 98%, 48%) |
| OKLCH | oklch(59.7% 0.198 255.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #027CF1 | 4.07:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #027CF1 | 5.15:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #027CF1 text on white | 4.07:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #027CF1 text on black | 5.15:1 | AA | Lc -34.6 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C2DBFD
oklch(88.4% 0.054 256.1)
-
Step 300
300
#96C4FF
oklch(81% 0.097 254.9)
-
Step 400
400
#59A2FF
oklch(70.7% 0.155 255.4)
-
Step 500
500 (this color)
#027CF1
oklch(59.7% 0.198 255.3)
-
Step 600
600
#0070DC
oklch(55.6% 0.186 255.4)
-
Step 700
700
#005EBA
oklch(49.1% 0.163 255.3)
-
Step 800
800
#004D9A
oklch(42.7% 0.142 255.2)
-
Step 900
900
#004082
oklch(37.8% 0.125 255.2)
-
Step 950
950
#04264D
oklch(27% 0.082 254.9)
#027CF1 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3288F5 | 0.039 |
| Deuteranopia (no green cones) | #0075EF | 0.018 |
| Tritanopia (no blue cones) | #0099AB | 0.148 |
| Achromatopsia (no color) | #7E7E7E | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #027CF1
#027CF1
oklch(59.7% 0.198 255.3)
- #AA7300
#AA7300
oklch(59.8% 0.126 75.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #027CF1, closest first.
No curated palette has a color within ΔE 0.04 of #027CF1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.022
- Cerulean Blue #056EEE ΔE 0.035
- Royal Blue #4169E1 ΔE 0.053
- Dodger Blue #1E90FF ΔE 0.056
- Bright Blue #0165FC ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.066
- Neon Blue #4361EE ΔE 0.066
- Water Blue #0E87CC ΔE 0.068
Use #027CF1 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.