#034A79
Closest named color: Twilight Blue (#0A437A). oklch(39.7% 0.101 246.1), rgb(3, 74, 121).
Aa
White text reads best on this color (9.29:1).
About this color
#034A79 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.101 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.021 away. White text reads best on it, at 9.29:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.25:1 |
| White text | 9.29:1 |
Values
| HEX | #034A79 |
| RGB | rgb(3, 74, 121) |
| HSL | hsl(204, 95%, 24%) |
| OKLCH | oklch(39.7% 0.101 246.1) |
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 #034A79 | 9.29:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #034A79 | 2.25:1 | Fails | Lc 13.0 | Not readable |
| #034A79 text on white | 9.29:1 | AAA | Lc 90.9 | Preferred for body text |
| #034A79 text on black | 2.25:1 | Fails | Lc -11.4 | 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 900.
-
Step 50
50
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C3DDF4
oklch(88.6% 0.042 245)
-
Step 300
300
#99C6EF
oklch(80.9% 0.075 246.4)
-
Step 400
400
#5CA7E7
oklch(70.7% 0.12 246.3)
-
Step 500
500
#1B8FE0
oklch(63% 0.154 246.2)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900 (this color)
#034A79
oklch(39.7% 0.101 246.1)
-
Step 950
950
#052843
oklch(26.9% 0.064 246.6)
#034A79 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) | #334C7B | 0.038 |
| Deuteranopia (no green cones) | #224378 | 0.025 |
| Tritanopia (no blue cones) | #00555B | 0.070 |
| Achromatopsia (no color) | #474747 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034A79
#034A79
oklch(39.7% 0.101 246.1)
- #663B00
#663B00
oklch(39.6% 0.088 65.7)
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 #034A79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.021
- Light Navy #155084 ΔE 0.027
- Deep Sea Blue #015482 ΔE 0.032
- Cobalt #1E488F ΔE 0.042
- Dusk Blue #26538D ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.053
- Marine Blue #01386A ΔE 0.058
- Light Navy Blue #2E5A88 ΔE 0.063
Use #034A79 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.