#1252A2
Closest named color: Dusk Blue (#26538D). oklch(44.8% 0.144 256.9), rgb(18, 82, 162).
Aa
White text reads best on this color (7.62:1).
About this color
#1252A2 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.036 away. White text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #1252A2 |
| RGB | rgb(18, 82, 162) |
| HSL | hsl(213, 80%, 35%) |
| OKLCH | oklch(44.8% 0.144 256.9) |
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 #1252A2 | 7.62:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #1252A2 | 2.75:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #1252A2 text on white | 7.62:1 | AAA | Lc 85.9 | Fine for body text |
| #1252A2 text on black | 2.75:1 | Fails | Lc -16.1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF8
oklch(88.5% 0.046 256.5)
-
Step 300
300
#9EC3F7
oklch(80.9% 0.084 256.9)
-
Step 400
400
#68A2F3
oklch(70.7% 0.134 256.9)
-
Step 500
500
#3C88EF
oklch(63.1% 0.172 257)
-
Step 600
600
#126FDD
oklch(55.6% 0.186 256.8)
-
Step 700
700
#005CC0
oklch(49.1% 0.174 256.9)
-
Step 800
800 (this color)
#1252A2
oklch(44.8% 0.144 256.9)
-
Step 900
900
#13407B
oklch(37.6% 0.111 256.9)
-
Step 950
950
#0D2648
oklch(27% 0.07 257)
#1252A2 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) | #225AA5 | 0.026 |
| Deuteranopia (no green cones) | #004EA0 | 0.014 |
| Tritanopia (no blue cones) | #006572 | 0.108 |
| Achromatopsia (no color) | #545454 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1252A2
#1252A2
oklch(44.8% 0.144 256.9)
- #714C00
#714C00
oklch(44.6% 0.093 76.7)
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 #1252A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.036
- Cobalt #1E488F ΔE 0.039
- Light Navy #155084 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.056
- Blueberry #464196 ΔE 0.064
- Sapphire #2138AB ΔE 0.065
Use #1252A2 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.