#0152A1
Closest named color: Dusk Blue (#26538D). oklch(44.5% 0.145 254.8), rgb(1, 82, 161).
Aa
White text reads best on this color (7.71:1).
About this color
#0152A1 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.145 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.037 away. White text reads best on it, at 7.71:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #0152A1 |
| RGB | rgb(1, 82, 161) |
| HSL | hsl(210, 99%, 32%) |
| OKLCH | oklch(44.5% 0.145 254.8) |
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 #0152A1 | 7.71:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #0152A1 | 2.72:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #0152A1 text on white | 7.71:1 | AAA | Lc 86.1 | Fine for body text |
| #0152A1 text on black | 2.72:1 | Fails | Lc -16.0 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C5DBF8
oklch(88.4% 0.047 255.4)
-
Step 300
300
#9CC4F7
oklch(81% 0.084 254.7)
-
Step 400
400
#63A3F3
oklch(70.7% 0.135 254.8)
-
Step 500
500
#3289EF
oklch(63.1% 0.174 255)
-
Step 600
600
#0071DA
oklch(55.6% 0.182 254.8)
-
Step 700
700
#005FB9
oklch(49.2% 0.161 254.8)
-
Step 800
800 (this color)
#0152A1
oklch(44.5% 0.145 254.8)
-
Step 900
900
#0B417B
oklch(37.7% 0.112 254.5)
-
Step 950
950
#0A2648
oklch(26.9% 0.072 255.3)
#0152A1 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) | #225AA4 | 0.030 |
| Deuteranopia (no green cones) | #004D9F | 0.014 |
| Tritanopia (no blue cones) | #006571 | 0.108 |
| Achromatopsia (no color) | #535353 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0152A1
#0152A1
oklch(44.5% 0.145 254.8)
- #724B00
#724B00
oklch(44.6% 0.094 74.9)
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 #0152A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.037
- Cobalt #1E488F ΔE 0.038
- Light Navy #155084 ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.057
- Sapphire #2138AB ΔE 0.066
- Blueberry #464196 ΔE 0.068
Use #0152A1 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.