#153643
Closest named color: Midnight Green (#073B4C). oklch(31.5% 0.045 226.7), rgb(21, 54, 67).
Aa
White text reads best on this color (12.80:1).
About this color
#153643 is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.045 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.020 away. White text reads best on it, at 12.80:1.
| Hue family | Teals and cyans |
| Lightness | dark (31%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.64:1 |
| White text | 12.80:1 |
Values
| HEX | #153643 |
| RGB | rgb(21, 54, 67) |
| HSL | hsl(197, 52%, 17%) |
| OKLCH | oklch(31.5% 0.045 226.7) |
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 #153643 | 12.80:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #153643 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #153643 text on white | 12.80:1 | AAA | Lc 98.8 | Preferred for body text |
| #153643 text on black | 1.64:1 | 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
#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
#9DC8DB
oklch(80.8% 0.053 226.7)
-
Step 400
400
#63ACCA
oklch(70.8% 0.085 226.6)
-
Step 500
500
#2B96BC
oklch(63.1% 0.109 226.8)
-
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
#04495E
oklch(37.8% 0.07 225.7)
-
Step 950
950 (this color)
#153643
oklch(31.5% 0.045 226.7)
#153643 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) | #2F3544 | 0.034 |
| Deuteranopia (no green cones) | #293043 | 0.030 |
| Tritanopia (no blue cones) | #003A3A | 0.029 |
| Achromatopsia (no color) | #323232 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #153643
#153643
oklch(31.5% 0.045 226.7)
- #442A1D
#442A1D
oklch(31.4% 0.045 47.2)
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 #153643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.020
- Dark Blue Grey #1F3B4D ΔE 0.026
- Gunmetal #293241 ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.039
- Onyx #343A40 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.053
- Charcoal #264653 ΔE 0.061
Use #153643 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.