#034361
Closest named color: Dark Grey Blue (#29465B). oklch(36.3% 0.077 236.8), rgb(3, 67, 97).
Aa
White text reads best on this color (10.60:1).
About this color
#034361 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.077 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.033 away. White text reads best on it, at 10.60:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.97:1 |
| White text | 10.60:1 |
Values
| HEX | #034361 |
| RGB | rgb(3, 67, 97) |
| HSL | hsl(199, 94%, 20%) |
| OKLCH | oklch(36.3% 0.077 236.8) |
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 #034361 | 10.60:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #034361 | 1.97:1 | Fails | Lc 9.8 | Not readable |
| #034361 text on white | 10.60:1 | AAA | Lc 94.2 | Preferred for body text |
| #034361 text on black | 1.97:1 | Fails | Lc -8.4 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEC
oklch(88.5% 0.032 236.4)
-
Step 300
300
#9EC7E2
oklch(80.9% 0.058 237.3)
-
Step 400
400
#65A9D3
oklch(70.6% 0.093 237.2)
-
Step 500
500
#3193C8
oklch(63.1% 0.119 237.1)
-
Step 600
600
#007CB1
oklch(55.6% 0.122 237.2)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900 (this color)
#034361
oklch(36.3% 0.077 236.8)
-
Step 950
950
#0A2A3B
oklch(27.1% 0.048 236)
#034361 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) | #344362 | 0.043 |
| Deuteranopia (no green cones) | #283B60 | 0.035 |
| Tritanopia (no blue cones) | #004B4D | 0.050 |
| Achromatopsia (no color) | #3F3F3F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034361
#034361
oklch(36.3% 0.077 236.8)
- #5C320D
#5C320D
oklch(36.4% 0.078 57.2)
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 #034361, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.033
- Charcoal #264653 ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.039
- Midnight Green #073B4C ΔE 0.041
- Marine Blue #01386A ΔE 0.041
- Twilight Blue #0A437A ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.045
- Dark Teal #014D4E ΔE 0.054
Use #034361 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.