#00344F
Closest named color: Midnight Green (#073B4C). oklch(30.9% 0.069 238.9), rgb(0, 52, 79).
Aa
White text reads best on this color (13.09:1).
About this color
#00344F is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.069 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.027 away. White text reads best on it, at 13.09:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.60:1 |
| White text | 13.09:1 |
Values
| HEX | #00344F |
| RGB | rgb(0, 52, 79) |
| HSL | hsl(201, 100%, 15%) |
| OKLCH | oklch(30.9% 0.069 238.9) |
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 #00344F | 13.09:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #00344F | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #00344F text on white | 13.09:1 | AAA | Lc 99.0 | Preferred for body text |
| #00344F text on black | 1.60:1 | 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
#BEDEF5
oklch(88.5% 0.046 239.3)
-
Step 300
300
#8EC9F0
oklch(81% 0.082 238.1)
-
Step 400
400
#42ABE9
oklch(70.8% 0.131 238.7)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950 (this color)
#00344F
oklch(30.9% 0.069 238.9)
#00344F 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) | #273450 | 0.036 |
| Deuteranopia (no green cones) | #1C2E4F | 0.027 |
| Tritanopia (no blue cones) | #003B3E | 0.045 |
| Achromatopsia (no color) | #313131 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00344F
#00344F
oklch(30.9% 0.069 238.9)
- #492604
#492604
oklch(30.9% 0.069 59)
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 #00344F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.027
- Prussian Blue #1D3557 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.037
- Marine #042E60 ΔE 0.039
- Gunmetal #293241 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.048
- Marine Blue #01386A ΔE 0.048
- Oxford Blue #1B263B ΔE 0.053
Use #00344F 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.