#034F6E
Closest named color: Deep Sea Blue (#015482). oklch(40.3% 0.083 233.8), rgb(3, 79, 110).
Aa
White text reads best on this color (8.94:1).
About this color
#034F6E is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.083 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.034 away. White text reads best on it, at 8.94:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #034F6E |
| RGB | rgb(3, 79, 110) |
| HSL | hsl(197, 95%, 22%) |
| OKLCH | oklch(40.3% 0.083 233.8) |
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 #034F6E | 8.94:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #034F6E | 2.34:1 | Fails | Lc 13.9 | Not readable |
| #034F6E text on white | 8.94:1 | AAA | Lc 90.0 | Preferred for body text |
| #034F6E text on black | 2.34:1 | Fails | Lc -12.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C7DB
oklch(81% 0.048 232.5)
-
Step 400
400
#6FA9CA
oklch(70.7% 0.077 234.4)
-
Step 500
500
#4393BC
oklch(63.1% 0.099 233.8)
-
Step 600
600
#1B7DA8
oklch(55.6% 0.107 233.4)
-
Step 700
700
#086990
oklch(49.1% 0.1 233.6)
-
Step 800
800 (this color)
#034F6E
oklch(40.3% 0.083 233.8)
-
Step 900
900
#17475E
oklch(37.7% 0.064 233.1)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#034F6E 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) | #404E6F | 0.052 |
| Deuteranopia (no green cones) | #32456D | 0.043 |
| Tritanopia (no blue cones) | #00575A | 0.049 |
| Achromatopsia (no color) | #494949 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034F6E
#034F6E
oklch(40.3% 0.083 233.8)
- #6A3A17
#6A3A17
oklch(40.2% 0.083 53.6)
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 #034F6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.034
- Light Navy #155084 ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.040
- Deep Teal #00555A ΔE 0.044
- Twilight Blue #0A437A ΔE 0.046
- Charcoal #264653 ΔE 0.049
- Petrol #005F6A ΔE 0.054
- Dark Teal #014D4E ΔE 0.055
Use #034F6E 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.