#004459
Closest named color: Charcoal (#264653). oklch(36% 0.069 226.5), rgb(0, 68, 89).
Aa
White text reads best on this color (10.65:1).
About this color
#004459 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.069 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.030 away. White text reads best on it, at 10.65:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #004459 |
| RGB | rgb(0, 68, 89) |
| HSL | hsl(194, 100%, 17%) |
| OKLCH | oklch(36% 0.069 226.5) |
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 #004459 | 10.65:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #004459 | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #004459 text on white | 10.65:1 | AAA | Lc 94.2 | Preferred for body text |
| #004459 text on black | 1.97:1 | Fails | Lc -8.3 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DEE8
oklch(88.6% 0.029 224.7)
-
Step 300
300
#9EC8DB
oklch(80.9% 0.052 227.3)
-
Step 400
400
#64ABC9
oklch(70.6% 0.084 227.2)
-
Step 500
500
#2F96BB
oklch(63.1% 0.106 226.6)
-
Step 600
600
#007FA3
oklch(55.6% 0.107 226.4)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900 (this color)
#004459
oklch(36% 0.069 226.5)
-
Step 950
950
#092B37
oklch(27.1% 0.044 225.6)
#004459 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) | #39435A | 0.051 |
| Deuteranopia (no green cones) | #2E3B59 | 0.044 |
| Tritanopia (no blue cones) | #004A4B | 0.036 |
| Achromatopsia (no color) | #3E3E3E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004459
#004459
oklch(36% 0.069 226.5)
- #5A311B
#5A311B
oklch(36% 0.069 47.8)
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 #004459, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.032
- Midnight Green #073B4C ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.034
- Dark Teal #014D4E ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.049
- Marine Blue #01386A ΔE 0.054
- Deep Teal #00555A ΔE 0.057
Use #004459 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.