#2B7AEC
Closest named color: Clear Blue (#247AFD). oklch(59.5% 0.188 258.4), rgb(43, 122, 236).
Aa
Black text reads best on this color (5.09:1).
About this color
#2B7AEC is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.188 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.026 away. Black text reads best on it, at 5.09:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.09:1 |
| White text | 4.11:1 |
Values
| HEX | #2B7AEC |
| RGB | rgb(43, 122, 236) |
| HSL | hsl(215, 84%, 55%) |
| OKLCH | oklch(59.5% 0.188 258.4) |
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 #2B7AEC | 4.11:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #2B7AEC | 5.09:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #2B7AEC text on white | 4.11:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #2B7AEC text on black | 5.09:1 | AA | Lc -33.9 | 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
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9CC3FC
oklch(81% 0.091 257.8)
-
Step 400
400
#65A1FB
oklch(70.8% 0.147 258.3)
-
Step 500
500 (this color)
#2B7AEC
oklch(59.5% 0.188 258.4)
-
Step 600
600
#096CE8
oklch(55.7% 0.205 258.4)
-
Step 700
700
#005AC7
oklch(49.2% 0.185 258.3)
-
Step 800
800
#0449A3
oklch(42.6% 0.158 258.6)
-
Step 900
900
#103F81
oklch(37.8% 0.122 258.2)
-
Step 950
950
#0B254C
oklch(27% 0.079 258.6)
#2B7AEC 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) | #3686F0 | 0.033 |
| Deuteranopia (no green cones) | #0075EA | 0.022 |
| Tritanopia (no blue cones) | #0096A8 | 0.144 |
| Achromatopsia (no color) | #7D7D7D | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B7AEC
#2B7AEC
oklch(59.5% 0.188 258.4)
- #A67400
#A67400
oklch(59.5% 0.124 78.6)
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 #2B7AEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.026
- Cerulean Blue #056EEE ΔE 0.037
- Royal Blue #4169E1 ΔE 0.044
- Neon Blue #4361EE ΔE 0.060
- Dodger Blue #1E90FF ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.062
- Bright Blue #0165FC ΔE 0.062
- Cornflower #6A79F7 ΔE 0.063
Use #2B7AEC 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.