#003945
Closest named color: Midnight Green (#073B4C). oklch(31.8% 0.057 217), rgb(0, 57, 69).
Aa
White text reads best on this color (12.56:1).
About this color
#003945 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.057 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.015 away. White text reads best on it, at 12.56:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.67:1 |
| White text | 12.56:1 |
Values
| HEX | #003945 |
| RGB | rgb(0, 57, 69) |
| HSL | hsl(190, 100%, 14%) |
| OKLCH | oklch(31.8% 0.057 217) |
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 #003945 | 12.56:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #003945 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #003945 text on white | 12.56:1 | AAA | Lc 98.1 | Preferred for body text |
| #003945 text on black | 1.67:1 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DCEDF2
oklch(93.5% 0.019 217.2)
-
Step 200
200
#BFE0E9
oklch(88.6% 0.037 216)
-
Step 300
300
#8ECCDD
oklch(80.9% 0.067 216.7)
-
Step 400
400
#3EB1CC
oklch(70.7% 0.108 216.7)
-
Step 500
500
#0099B6
oklch(63% 0.113 217.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950 (this color)
#003945
oklch(31.8% 0.057 217)
#003945 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) | #313746 | 0.049 |
| Deuteranopia (no green cones) | #283145 | 0.043 |
| Tritanopia (no blue cones) | #003D3D | 0.023 |
| Achromatopsia (no color) | #333333 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003945
#003945
oklch(31.8% 0.057 217)
- #4B271D
#4B271D
oklch(31.8% 0.057 36.4)
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 #003945, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.030
- Gunmetal #293241 ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.053
- Onyx #343A40 ΔE 0.053
- Charcoal #264653 ΔE 0.059
- Oxford Blue #1B263B ΔE 0.063
Use #003945 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.