#023741
Closest named color: Midnight Green (#073B4C). oklch(31% 0.053 214.5), rgb(2, 55, 65).
Aa
White text reads best on this color (12.91:1).
About this color
#023741 is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.053 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.022 away. White text reads best on it, at 12.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (31%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.62:1 |
| White text | 12.91:1 |
Values
| HEX | #023741 |
| RGB | rgb(2, 55, 65) |
| HSL | hsl(190, 94%, 13%) |
| OKLCH | oklch(31% 0.053 214.5) |
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 #023741 | 12.91:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #023741 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #023741 text on white | 12.91:1 | AAA | Lc 98.8 | Preferred for body text |
| #023741 text on black | 1.62:1 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DDEDF1
oklch(93.5% 0.018 214.4)
-
Step 200
200
#C0E0E8
oklch(88.6% 0.035 214.5)
-
Step 300
300
#91CCDA
oklch(81% 0.063 214.1)
-
Step 400
400
#46B1C7
oklch(70.8% 0.101 213.7)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950 (this color)
#023741
oklch(31% 0.053 214.5)
#023741 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) | #303542 | 0.048 |
| Deuteranopia (no green cones) | #282F41 | 0.043 |
| Tritanopia (no blue cones) | #003B3A | 0.022 |
| Achromatopsia (no color) | #313131 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #023741
#023741
oklch(31% 0.053 214.5)
- #48261E
#48261E
oklch(31.1% 0.054 34.2)
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 #023741, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.022
- Dark Blue Grey #1F3B4D ΔE 0.036
- Gunmetal #293241 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.051
- Onyx #343A40 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.058
- Dark #1B2431 ΔE 0.065
Use #023741 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.