#00466C
Closest named color: Twilight Blue (#0A437A). oklch(37.7% 0.089 241.5), rgb(0, 70, 108).
Aa
White text reads best on this color (10.03:1).
About this color
#00466C is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.089 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.028 away. White text reads best on it, at 10.03:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #00466C |
| RGB | rgb(0, 70, 108) |
| HSL | hsl(201, 100%, 21%) |
| OKLCH | oklch(37.7% 0.089 241.5) |
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 #00466C | 10.03:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #00466C | 2.09:1 | Fails | Lc 11.2 | Not readable |
| #00466C text on white | 10.03:1 | AAA | Lc 92.8 | Preferred for body text |
| #00466C text on black | 2.09:1 | Fails | Lc -9.7 | 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 900.
-
Step 50
50
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C5DDF0
oklch(88.6% 0.037 241.8)
-
Step 300
300
#9BC7E8
oklch(81% 0.066 241)
-
Step 400
400
#5FA9DD
oklch(70.8% 0.106 241.1)
-
Step 500
500
#2592D4
oklch(63.2% 0.136 241.5)
-
Step 600
600
#007AB8
oklch(55.5% 0.131 241.7)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900 (this color)
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#06293F
oklch(26.9% 0.056 241.4)
#00466C 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) | #34476E | 0.043 |
| Deuteranopia (no green cones) | #253E6B | 0.031 |
| Tritanopia (no blue cones) | #004F54 | 0.058 |
| Achromatopsia (no color) | #424242 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00466C
#00466C
oklch(37.7% 0.089 241.5)
- #623500
#623500
oklch(37.8% 0.087 61.6)
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 #00466C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.028
- Dark Grey Blue #29465B ΔE 0.039
- Marine Blue #01386A ΔE 0.044
- Charcoal #264653 ΔE 0.048
- Light Navy #155084 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.058
Use #00466C 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.