#158BF0
Closest named color: Dodger Blue (#1E90FF). oklch(63% 0.178 251.4), rgb(21, 139, 240).
Aa
Black text reads best on this color (5.98:1).
About this color
#158BF0 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.178 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.025 away. Black text reads best on it, at 5.98:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.98:1 |
| White text | 3.50:1 |
Values
| HEX | #158BF0 |
| RGB | rgb(21, 139, 240) |
| HSL | hsl(208, 88%, 51%) |
| OKLCH | oklch(63% 0.178 251.4) |
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 #158BF0 | 3.50:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #158BF0 | 5.98:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #158BF0 text on white | 3.50:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #158BF0 text on black | 5.98:1 | AA | Lc -39.7 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEEBFB
oklch(93.5% 0.026 253.6)
-
Step 200
200
#C2DCF9
oklch(88.5% 0.049 251.2)
-
Step 300
300
#97C5F8
oklch(80.9% 0.087 251.5)
-
Step 400
400
#59A5F4
oklch(70.8% 0.139 251.2)
-
Step 500
500 (this color)
#158BF0
oklch(63% 0.178 251.4)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#00427A
oklch(37.7% 0.112 251.7)
-
Step 950
950
#042749
oklch(27% 0.074 251.8)
#158BF0 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) | #5793F4 | 0.049 |
| Deuteranopia (no green cones) | #2D80EE | 0.028 |
| Tritanopia (no blue cones) | #00A3B2 | 0.129 |
| Achromatopsia (no color) | #898989 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #158BF0
#158BF0
oklch(63% 0.178 251.4)
- #BB7900
#BB7900
oklch(63% 0.135 71.5)
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 #158BF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.032
- Chefchaouen Blue #4895EF ΔE 0.042
- Clear Blue #247AFD ΔE 0.049
- Soft Blue #6488EA ΔE 0.054
- Water Blue #0E87CC ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.064
- Cornflower #6A79F7 ΔE 0.074
Use #158BF0 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.