#004358
Closest named color: Midnight Green (#073B4C). oklch(35.7% 0.069 226.8), rgb(0, 67, 88).
Aa
White text reads best on this color (10.80:1).
About this color
#004358 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 Midnight Green (#073B4C), ΔE 0.030 away. White text reads best on it, at 10.80:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #004358 |
| RGB | rgb(0, 67, 88) |
| HSL | hsl(194, 100%, 17%) |
| OKLCH | oklch(35.7% 0.069 226.8) |
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 #004358 | 10.80:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #004358 | 1.94:1 | Fails | Lc 9.4 | Not readable |
| #004358 text on white | 10.80:1 | AAA | Lc 94.6 | Preferred for body text |
| #004358 text on black | 1.94:1 | Fails | Lc -8.0 | 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 900.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE8
oklch(88.4% 0.029 228.1)
-
Step 300
300
#9EC8DB
oklch(80.9% 0.052 227.3)
-
Step 400
400
#65ABC9
oklch(70.6% 0.083 227.5)
-
Step 500
500
#3196BB
oklch(63.2% 0.106 226.9)
-
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
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900 (this color)
#004358
oklch(35.7% 0.069 226.8)
-
Step 950
950
#0A2B37
oklch(27.2% 0.043 226.1)
#004358 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) | #384259 | 0.051 |
| Deuteranopia (no green cones) | #2D3A58 | 0.044 |
| Tritanopia (no blue cones) | #00494A | 0.037 |
| Achromatopsia (no color) | #3D3D3D | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004358
#004358
oklch(35.7% 0.069 226.8)
- #59301B
#59301B
oklch(35.7% 0.068 46.8)
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 #004358, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.031
- Charcoal #264653 ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.034
- Dark Teal #014D4E ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.046
- Marine Blue #01386A ΔE 0.052
- Onyx #343A40 ΔE 0.058
Use #004358 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.