#00204C
Closest named color: Navy Blue (#001146). oklch(25.2% 0.09 257.1), rgb(0, 32, 76).
Aa
White text reads best on this color (16.01:1).
About this color
#00204C is a dark, moderately saturated blue. In OKLCH its lightness is 25%, its chroma 0.090 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.045 away. White text reads best on it, at 16.01:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.31:1 |
| White text | 16.01:1 |
Values
| HEX | #00204C |
| RGB | rgb(0, 32, 76) |
| HSL | hsl(215, 100%, 15%) |
| OKLCH | oklch(25.2% 0.09 257.1) |
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 #00204C | 16.01:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #00204C | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #00204C text on white | 16.01:1 | AAA | Lc 102.6 | Preferred for body text |
| #00204C text on black | 1.31:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DDEBFF
oklch(93.6% 0.031 257.2)
-
Step 200
200
#C2DBFF
oklch(88.5% 0.057 257.5)
-
Step 300
300
#99C3FF
oklch(80.9% 0.097 257.3)
-
Step 400
400
#5EA1FF
oklch(70.7% 0.154 257.1)
-
Step 500
500
#2785FF
oklch(63% 0.201 257.2)
-
Step 600
600
#006EE4
oklch(55.7% 0.198 257)
-
Step 700
700
#005CC1
oklch(49.2% 0.175 257.1)
-
Step 800
800
#004BA0
oklch(42.8% 0.152 257.1)
-
Step 900
900
#003E87
oklch(37.7% 0.135 257.2)
-
Step 950
950 (this color)
#00204C
oklch(25.2% 0.09 257.1)
#00204C 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) | #01254E | 0.016 |
| Deuteranopia (no green cones) | #001E4B | 0.006 |
| Tritanopia (no blue cones) | #002B32 | 0.068 |
| Achromatopsia (no color) | #212121 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00204C
#00204C
oklch(25.2% 0.09 257.1)
- #301E00
#301E00
oklch(25.2% 0.053 76.9)
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 #00204C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.051
- Marine #042E60 ΔE 0.055
- Dark #1B2431 ΔE 0.062
- Dark Indigo #1F0954 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.065
- Darkblue #030764 ΔE 0.065
- Night Blue #040348 ΔE 0.071
Use #00204C 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.