#157FFD
Closest named color: Clear Blue (#247AFD). oklch(61.3% 0.208 257), rgb(21, 127, 253).
Aa
Black text reads best on this color (5.48:1).
About this color
#157FFD is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.208 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.012 away. Black text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.208) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #157FFD |
| RGB | rgb(21, 127, 253) |
| HSL | hsl(213, 98%, 54%) |
| OKLCH | oklch(61.3% 0.208 257) |
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 #157FFD | 3.82:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #157FFD | 5.48:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #157FFD text on white | 3.82:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #157FFD text on black | 5.48:1 | AA | Lc -36.6 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFE
oklch(93.6% 0.029 257.8)
-
Step 200
200
#C2DBFF
oklch(88.5% 0.057 257.5)
-
Step 300
300
#98C3FF
oklch(80.9% 0.097 256.8)
-
Step 400
400
#5EA1FF
oklch(70.7% 0.154 257.1)
-
Step 500
500 (this color)
#157FFD
oklch(61.3% 0.208 257)
-
Step 600
600
#006EE3
oklch(55.7% 0.197 256.9)
-
Step 700
700
#005CC0
oklch(49.1% 0.174 256.9)
-
Step 800
800
#004B9F
oklch(42.7% 0.151 256.9)
-
Step 900
900
#003E86
oklch(37.6% 0.133 257)
-
Step 950
950
#05254F
oklch(27% 0.086 257)
#157FFD 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) | #2A8DFF | 0.039 |
| Deuteranopia (no green cones) | #0079FB | 0.017 |
| Tritanopia (no blue cones) | #009EB2 | 0.157 |
| Achromatopsia (no color) | #828282 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #157FFD
#157FFD
oklch(61.3% 0.208 257)
- #AF7800
#AF7800
oklch(61.4% 0.128 76.8)
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 #157FFD, closest first.
No curated palette has a color within ΔE 0.04 of #157FFD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.012
- Dodger Blue #1E90FF ΔE 0.044
- Cerulean Blue #056EEE ΔE 0.048
- Bright Blue #0165FC ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.065
- Royal Blue #4169E1 ΔE 0.066
- Cornflower #6A79F7 ΔE 0.066
- Soft Blue #6488EA ΔE 0.071
Use #157FFD 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.