#034F8F
Closest named color: Light Navy (#155084). oklch(42.4% 0.124 251.7), rgb(3, 79, 143).
Aa
White text reads best on this color (8.33:1).
About this color
#034F8F is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.124 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.020 away. White text reads best on it, at 8.33:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.51:1 |
| White text | 8.33:1 |
Values
| HEX | #034F8F |
| RGB | rgb(3, 79, 143) |
| HSL | hsl(207, 96%, 29%) |
| OKLCH | oklch(42.4% 0.124 251.7) |
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 #034F8F | 8.33:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #034F8F | 2.51:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #034F8F text on white | 8.33:1 | AAA | Lc 88.2 | Fine for body text |
| #034F8F text on black | 2.51:1 | Fails | Lc -14.0 | 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
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF4
oklch(88.6% 0.041 250.6)
-
Step 300
300
#9FC4EF
oklch(80.9% 0.073 252.5)
-
Step 400
400
#68A5E7
oklch(70.8% 0.116 251.5)
-
Step 500
500
#3B8CDF
oklch(63% 0.148 251.8)
-
Step 600
600
#0B74CD
oklch(55.5% 0.161 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800 (this color)
#034F8F
oklch(42.4% 0.124 251.7)
-
Step 900
900
#124373
oklch(37.8% 0.097 251.8)
-
Step 950
950
#0D2743
oklch(26.9% 0.061 252.5)
#034F8F 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) | #2D5491 | 0.032 |
| Deuteranopia (no green cones) | #10498E | 0.017 |
| Tritanopia (no blue cones) | #005F68 | 0.091 |
| Achromatopsia (no color) | #4E4E4E | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034F8F
#034F8F
oklch(42.4% 0.124 251.7)
- #6C4400
#6C4400
oklch(42.3% 0.091 71.6)
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 #034F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.020
- Cobalt #1E488F ΔE 0.022
- Dusk Blue #26538D ΔE 0.025
- Deep Sea Blue #015482 ΔE 0.029
- Twilight Blue #0A437A ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.058
- Blueberry #464196 ΔE 0.068
Use #034F8F 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.