#003752
Closest named color: Midnight Green (#073B4C). oklch(32% 0.07 237.7), rgb(0, 55, 82).
Aa
White text reads best on this color (12.58:1).
About this color
#003752 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.070 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.020 away. White text reads best on it, at 12.58:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.66:1 |
| White text | 12.58:1 |
Values
| HEX | #003752 |
| RGB | rgb(0, 55, 82) |
| HSL | hsl(200, 100%, 16%) |
| OKLCH | oklch(32% 0.07 237.7) |
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 #003752 | 12.58:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #003752 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #003752 text on white | 12.58:1 | AAA | Lc 98.1 | Preferred for body text |
| #003752 text on black | 1.66:1 | 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
#8DC9F0
oklch(80.9% 0.083 237.6)
-
Step 400
400
#3CABE9
oklch(70.6% 0.133 237.8)
-
Step 500
500
#0094D3
oklch(63.2% 0.139 237.5)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950 (this color)
#003752
oklch(32% 0.07 237.7)
#003752 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) | #2A3753 | 0.039 |
| Deuteranopia (no green cones) | #1F3052 | 0.031 |
| Tritanopia (no blue cones) | #003E40 | 0.046 |
| Achromatopsia (no color) | #333333 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003752
#003752
oklch(32% 0.07 237.7)
- #4D2806
#4D2806
oklch(32% 0.071 57.6)
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 #003752, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.031
- Marine #042E60 ΔE 0.041
- Marine Blue #01386A ΔE 0.043
- Gunmetal #293241 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.062
Use #003752 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.