#034C6D
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.084 236.4), rgb(3, 76, 109).
Aa
White text reads best on this color (9.29:1).
About this color
#034C6D is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.084 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.037 away. White text reads best on it, at 9.29:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.29:1 |
Values
| HEX | #034C6D |
| RGB | rgb(3, 76, 109) |
| HSL | hsl(199, 95%, 22%) |
| OKLCH | oklch(39.4% 0.084 236.4) |
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 #034C6D | 9.29:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #034C6D | 2.25:1 | Fails | Lc 13.0 | Not readable |
| #034C6D text on white | 9.29:1 | AAA | Lc 91.0 | Preferred for body text |
| #034C6D 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C4DDEE
oklch(88.4% 0.036 237.6)
-
Step 300
300
#9AC8E4
oklch(81% 0.063 235.3)
-
Step 400
400
#5EAAD7
oklch(70.7% 0.1 236.5)
-
Step 500
500
#1E94CD
oklch(63.2% 0.129 236.5)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
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)
#034C6D
oklch(39.4% 0.084 236.4)
-
Step 950
950
#052A3D
oklch(27% 0.053 236.3)
#034C6D 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) | #3C4C6E | 0.048 |
| Deuteranopia (no green cones) | #2E436C | 0.038 |
| Tritanopia (no blue cones) | #005558 | 0.053 |
| Achromatopsia (no color) | #474747 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034C6D
#034C6D
oklch(39.4% 0.084 236.4)
- #673911
#673911
oklch(39.5% 0.083 57.1)
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 #034C6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.037
- Twilight Blue #0A437A ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy #155084 ΔE 0.041
- Charcoal #264653 ΔE 0.046
- Deep Teal #00555A ΔE 0.050
- Dark Teal #014D4E ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.061
Use #034C6D 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.