#034F93
Closest named color: Cobalt (#1E488F). oklch(42.7% 0.129 252.9), rgb(3, 79, 147).
Aa
White text reads best on this color (8.25:1).
About this color
#034F93 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.129 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.021 away. White text reads best on it, at 8.25:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #034F93 |
| RGB | rgb(3, 79, 147) |
| HSL | hsl(208, 96%, 29%) |
| OKLCH | oklch(42.7% 0.129 252.9) |
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 #034F93 | 8.25:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #034F93 | 2.54:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #034F93 text on white | 8.25:1 | AAA | Lc 87.9 | Fine for body text |
| #034F93 text on black | 2.54:1 | Fails | Lc -14.3 | Not readable |
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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DBF5
oklch(88.4% 0.042 253.8)
-
Step 300
300
#9EC4F1
oklch(80.9% 0.076 253)
-
Step 400
400
#67A4EA
oklch(70.7% 0.121 252.9)
-
Step 500
500
#398BE4
oklch(63% 0.156 253.1)
-
Step 600
600
#0773D2
oklch(55.6% 0.169 253.1)
-
Step 700
700
#0060B3
oklch(49% 0.152 253.2)
-
Step 800
800 (this color)
#034F93
oklch(42.7% 0.129 252.9)
-
Step 900
900
#114275
oklch(37.6% 0.101 253.1)
-
Step 950
950
#0C2745
oklch(27% 0.065 253.3)
#034F93 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) | #2A5596 | 0.032 |
| Deuteranopia (no green cones) | #044992 | 0.017 |
| Tritanopia (no blue cones) | #00606A | 0.096 |
| Achromatopsia (no color) | #4E4E4E | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034F93
#034F93
oklch(42.7% 0.129 252.9)
- #6D4600
#6D4600
oklch(42.8% 0.091 73.1)
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 #034F93, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.021
- Light Navy #155084 ΔE 0.026
- Dusk Blue #26538D ΔE 0.026
- Deep Sea Blue #015482 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.050
- Twilight Blue #0A437A ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.058
- Blueberry #464196 ΔE 0.066
Use #034F93 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.