#017DEC
Closest named color: Clear Blue (#247AFD). oklch(59.5% 0.191 254.2), rgb(1, 125, 236).
Aa
Black text reads best on this color (5.14:1).
About this color
#017DEC is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.191 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.029 away. Black text reads best on it, at 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.191) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #017DEC |
| RGB | rgb(1, 125, 236) |
| HSL | hsl(208, 99%, 46%) |
| OKLCH | oklch(59.5% 0.191 254.2) |
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 #017DEC | 4.08:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #017DEC | 5.14:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #017DEC text on white | 4.08:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #017DEC text on black | 5.14:1 | AA | Lc -34.5 | 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
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C2DCFB
oklch(88.5% 0.051 252.9)
-
Step 300
300
#97C4FC
oklch(80.9% 0.093 254.2)
-
Step 400
400
#5AA3FB
oklch(70.7% 0.149 254.3)
-
Step 500
500 (this color)
#017DEC
oklch(59.5% 0.191 254.2)
-
Step 600
600
#0072D8
oklch(55.7% 0.178 254.2)
-
Step 700
700
#005FB7
oklch(49.1% 0.158 254.4)
-
Step 800
800
#004E97
oklch(42.8% 0.136 254.1)
-
Step 900
900
#00417F
oklch(37.8% 0.12 253.9)
-
Step 950
950
#05264C
oklch(27% 0.08 254.9)
#017DEC 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) | #3B88F0 | 0.041 |
| Deuteranopia (no green cones) | #0075EA | 0.021 |
| Tritanopia (no blue cones) | #0098A9 | 0.141 |
| Achromatopsia (no color) | #7E7E7E | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #017DEC
#017DEC
oklch(59.5% 0.191 254.2)
- #AA7100
#AA7100
oklch(59.4% 0.126 74.1)
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 #017DEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.029
- Cerulean Blue #056EEE ΔE 0.038
- Royal Blue #4169E1 ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.057
- Water Blue #0E87CC ΔE 0.060
- Dark Sky Blue #448EE4 ΔE 0.061
- Bright Blue #0165FC ΔE 0.065
- Windows Blue #3778BF ΔE 0.069
Use #017DEC 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.