#034AB1
Closest named color: Blue Blue (#2242C7). oklch(44% 0.176 259.9), rgb(3, 74, 177).
Aa
White text reads best on this color (8.02:1).
About this color
#034AB1 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.176 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.041 away. White text reads best on it, at 8.02:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #034AB1 |
| RGB | rgb(3, 74, 177) |
| HSL | hsl(216, 97%, 35%) |
| OKLCH | oklch(44% 0.176 259.9) |
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 #034AB1 | 8.02:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #034AB1 | 2.61:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #034AB1 text on white | 8.02:1 | AAA | Lc 86.9 | Fine for body text |
| #034AB1 text on black | 2.61:1 | Fails | Lc -15.2 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C4DBFF
oklch(88.6% 0.056 259.3)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#659FFF
oklch(70.6% 0.154 260)
-
Step 500
500
#3883FF
oklch(63% 0.199 260)
-
Step 600
600
#0067F4
oklch(55.6% 0.226 260)
-
Step 700
700
#0056CF
oklch(49.1% 0.2 260)
-
Step 800
800 (this color)
#034AB1
oklch(44% 0.176 259.9)
-
Step 900
900
#0C3C88
oklch(37.6% 0.137 260)
-
Step 950
950
#092450
oklch(27% 0.087 259.9)
#034AB1 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) | #0058B4 | 0.036 |
| Deuteranopia (no green cones) | #0049AF | 0.004 |
| Tritanopia (no blue cones) | #006476 | 0.132 |
| Achromatopsia (no color) | #505050 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034AB1
#034AB1
oklch(44% 0.176 259.9)
- #6D4C00
#6D4C00
oklch(44.1% 0.091 79.9)
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 #034AB1, closest first.
No curated palette has a color within ΔE 0.04 of #034AB1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.041
- Sapphire #2138AB ΔE 0.042
- Cobalt #1E488F ΔE 0.056
- Majorelle Blue #3F37C9 ΔE 0.068
- Dusk Blue #26538D ΔE 0.069
- Blueberry #464196 ΔE 0.072
- Light Navy #155084 ΔE 0.077
- Deep Sea Blue #015482 ΔE 0.085
Use #034AB1 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.