#004668
Closest named color: Dark Grey Blue (#29465B). oklch(37.5% 0.084 238.6), rgb(0, 70, 104).
Aa
White text reads best on this color (10.11:1).
About this color
#004668 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.084 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.034 away. White text reads best on it, at 10.11:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #004668 |
| RGB | rgb(0, 70, 104) |
| HSL | hsl(200, 100%, 20%) |
| OKLCH | oklch(37.5% 0.084 238.6) |
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 #004668 | 10.11:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #004668 | 2.07:1 | Fails | Lc 11.0 | Not readable |
| #004668 text on white | 10.11:1 | AAA | Lc 93.0 | Preferred for body text |
| #004668 text on black | 2.07:1 | Fails | Lc -9.5 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300
#9BC7E5
oklch(80.9% 0.063 238.4)
-
Step 400
400
#60A9D8
oklch(70.6% 0.101 238.6)
-
Step 500
500
#2693CE
oklch(63.1% 0.129 238.4)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900 (this color)
#004668
oklch(37.5% 0.084 238.6)
-
Step 950
950
#072A3D
oklch(27.1% 0.052 237.4)
#004668 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) | #354669 | 0.044 |
| Deuteranopia (no green cones) | #283E67 | 0.034 |
| Tritanopia (no blue cones) | #004F52 | 0.055 |
| Achromatopsia (no color) | #424242 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004668
#004668
oklch(37.5% 0.084 238.6)
- #613407
#613407
oklch(37.5% 0.084 58.7)
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 #004668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.034
- Twilight Blue #0A437A ΔE 0.035
- Charcoal #264653 ΔE 0.042
- Marine Blue #01386A ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
- Light Navy #155084 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.055
Use #004668 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.