#034367
Closest named color: Twilight Blue (#0A437A). oklch(36.7% 0.085 241.6), rgb(3, 67, 103).
Aa
White text reads best on this color (10.48:1).
About this color
#034367 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.085 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.034 away. White text reads best on it, at 10.48:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.00:1 |
| White text | 10.48:1 |
Values
| HEX | #034367 |
| RGB | rgb(3, 67, 103) |
| HSL | hsl(202, 94%, 21%) |
| OKLCH | oklch(36.7% 0.085 241.6) |
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 #034367 | 10.48:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #034367 | 2.00:1 | Fails | Lc 10.1 | Not readable |
| #034367 text on white | 10.48:1 | AAA | Lc 93.9 | Preferred for body text |
| #034367 text on black | 2.00:1 | Fails | Lc -8.7 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DDEF
oklch(88.6% 0.035 241.5)
-
Step 300
300
#9DC6E6
oklch(80.8% 0.063 242)
-
Step 400
400
#63A8DA
oklch(70.6% 0.102 241.6)
-
Step 500
500
#2F91D0
oklch(63% 0.13 241.9)
-
Step 600
600
#007AB8
oklch(55.5% 0.131 241.7)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900 (this color)
#034367
oklch(36.7% 0.085 241.6)
-
Step 950
950
#09293E
oklch(27% 0.054 241.8)
#034367 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) | #324469 | 0.041 |
| Deuteranopia (no green cones) | #243B66 | 0.031 |
| Tritanopia (no blue cones) | #004C50 | 0.057 |
| Achromatopsia (no color) | #3F3F3F | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034367
#034367
oklch(36.7% 0.085 241.6)
- #5E3300
#5E3300
oklch(36.8% 0.085 62)
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 #034367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.034
- Marine Blue #01386A ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.037
- Charcoal #264653 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.047
- Midnight Green #073B4C ΔE 0.049
- Light Navy #155084 ΔE 0.061
Use #034367 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.