#003754
Closest named color: Midnight Green (#073B4C). oklch(32.1% 0.073 239.6), rgb(0, 55, 84).
Aa
White text reads best on this color (12.54:1).
About this color
#003754 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.073 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.023 away. White text reads best on it, at 12.54:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.67:1 |
| White text | 12.54:1 |
Values
| HEX | #003754 |
| RGB | rgb(0, 55, 84) |
| HSL | hsl(201, 100%, 16%) |
| OKLCH | oklch(32.1% 0.073 239.6) |
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 #003754 | 12.54:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #003754 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #003754 text on white | 12.54:1 | AAA | Lc 98.0 | Preferred for body text |
| #003754 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DCEDF9
oklch(93.7% 0.024 238.4)
-
Step 200
200
#BDDEF6
oklch(88.4% 0.048 239.7)
-
Step 300
300
#8CC9F3
oklch(81% 0.086 239.3)
-
Step 400
400
#3BABED
oklch(70.8% 0.138 239.3)
-
Step 500
500
#0093D6
oklch(63.1% 0.143 239.3)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950 (this color)
#003754
oklch(32.1% 0.073 239.6)
#003754 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) | #293755 | 0.037 |
| Deuteranopia (no green cones) | #1E3053 | 0.030 |
| Tritanopia (no blue cones) | #003E41 | 0.047 |
| Achromatopsia (no color) | #343434 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003754
#003754
oklch(32.1% 0.073 239.6)
- #4D2803
#4D2803
oklch(32% 0.072 59.3)
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 #003754, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.032
- Marine #042E60 ΔE 0.039
- Marine Blue #01386A ΔE 0.039
- Gunmetal #293241 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.053
- Charcoal #264653 ΔE 0.063
Use #003754 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.