#158FFB
Closest named color: Dodger Blue (#1E90FF). oklch(64.6% 0.188 252.2), rgb(21, 143, 251).
Aa
Black text reads best on this color (6.35:1).
About this color
#158FFB is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.188 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.007 away. Black text reads best on it, at 6.35:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.35:1 |
| White text | 3.30:1 |
Values
| HEX | #158FFB |
| RGB | rgb(21, 143, 251) |
| HSL | hsl(208, 97%, 53%) |
| OKLCH | oklch(64.6% 0.188 252.2) |
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 #158FFB | 3.30:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #158FFB | 6.35:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #158FFB text on white | 3.30:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #158FFB text on black | 6.35:1 | AA | Lc -42.0 | 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
#95C5FB
oklch(80.9% 0.092 251.9)
-
Step 400
400
#56A4F9
oklch(70.7% 0.147 252.4)
-
Step 500
500 (this color)
#158FFB
oklch(64.6% 0.188 252.2)
-
Step 600
600
#0074D1
oklch(55.7% 0.167 252.1)
-
Step 700
700
#0061B1
oklch(49.1% 0.148 252.3)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#00427B
oklch(37.7% 0.113 252.1)
-
Step 950
950
#02274B
oklch(27.1% 0.078 252)
#158FFB 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) | #5698FF | 0.049 |
| Deuteranopia (no green cones) | #2684F9 | 0.028 |
| Tritanopia (no blue cones) | #00A9B9 | 0.137 |
| Achromatopsia (no color) | #8D8D8D | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #158FFB
#158FFB
oklch(64.6% 0.188 252.2)
- #C17E00
#C17E00
oklch(64.7% 0.138 72.2)
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 #158FFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.007
- Chefchaouen Blue #4895EF ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.039
- Clear Blue #247AFD ΔE 0.053
- Soft Blue #6488EA ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.060
- Water Blue #0E87CC ΔE 0.072
- Cornflower #6A79F7 ΔE 0.075
Use #158FFB 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.