#0150A5
Closest named color: Cobalt (#1E488F). oklch(44.3% 0.153 256.4), rgb(1, 80, 165).
Aa
White text reads best on this color (7.80:1).
About this color
#0150A5 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.153 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.040 away. White text reads best on it, at 7.80:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #0150A5 |
| RGB | rgb(1, 80, 165) |
| HSL | hsl(211, 99%, 33%) |
| OKLCH | oklch(44.3% 0.153 256.4) |
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 #0150A5 | 7.80:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #0150A5 | 2.69:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #0150A5 text on white | 7.80:1 | AAA | Lc 86.3 | Fine for body text |
| #0150A5 text on black | 2.69:1 | Fails | Lc -15.7 | Dividers and decoration only |
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 800.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DBFA
oklch(88.4% 0.05 255.9)
-
Step 300
300
#9BC3FA
oklch(80.8% 0.089 256.5)
-
Step 400
400
#62A2F8
oklch(70.7% 0.143 256.3)
-
Step 500
500
#3288F5
oklch(63.2% 0.182 256.3)
-
Step 600
600
#006FE0
oklch(55.6% 0.192 256.3)
-
Step 700
700
#005DBE
oklch(49.2% 0.17 256.3)
-
Step 800
800 (this color)
#0150A5
oklch(44.3% 0.153 256.4)
-
Step 900
900
#0B407F
oklch(37.8% 0.119 256.2)
-
Step 950
950
#0A264A
oklch(27% 0.075 256.3)
#0150A5 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) | #1559A8 | 0.028 |
| Deuteranopia (no green cones) | #004CA3 | 0.011 |
| Tritanopia (no blue cones) | #006572 | 0.115 |
| Achromatopsia (no color) | #525252 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0150A5
#0150A5
oklch(44.3% 0.153 256.4)
- #704B00
#704B00
oklch(44.3% 0.093 76.4)
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 #0150A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.040
- Dusk Blue #26538D ΔE 0.045
- Light Navy #155084 ΔE 0.054
- Sapphire #2138AB ΔE 0.058
- Deep Sea Blue #015482 ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.064
- Blue Blue #2242C7 ΔE 0.065
- Light Navy Blue #2E5A88 ΔE 0.065
Use #0150A5 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.