#00344D
Closest named color: Midnight Green (#073B4C). oklch(30.8% 0.067 236.8), rgb(0, 52, 77).
Aa
White text reads best on this color (13.13:1).
About this color
#00344D is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.067 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.026 away. White text reads best on it, at 13.13:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.59:1 |
| White text | 13.13:1 |
Values
| HEX | #00344D |
| RGB | rgb(0, 52, 77) |
| HSL | hsl(199, 100%, 15%) |
| OKLCH | oklch(30.8% 0.067 236.8) |
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 #00344D | 13.13:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #00344D | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #00344D text on white | 13.13:1 | AAA | Lc 99.0 | Preferred for body text |
| #00344D text on black | 1.59:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DCEDF8
oklch(93.7% 0.023 236)
-
Step 200
200
#BFDEF3
oklch(88.5% 0.044 237.6)
-
Step 300
300
#8FC9EE
oklch(80.9% 0.08 237)
-
Step 400
400
#42ABE5
oklch(70.6% 0.127 236.9)
-
Step 500
500
#0094D1
oklch(63.1% 0.137 236.6)
-
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
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950 (this color)
#00344D
oklch(30.8% 0.067 236.8)
#00344D 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) | #28344E | 0.038 |
| Deuteranopia (no green cones) | #1E2D4D | 0.031 |
| Tritanopia (no blue cones) | #003A3D | 0.041 |
| Achromatopsia (no color) | #303030 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00344D
#00344D
oklch(30.8% 0.067 236.8)
- #492607
#492607
oklch(30.9% 0.067 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 #00344D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.026
- Prussian Blue #1D3557 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.037
- Gunmetal #293241 ΔE 0.042
- Marine #042E60 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.052
- Marine Blue #01386A ΔE 0.052
Use #00344D 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.