#173233
Closest named color: Gunmetal (#293241). oklch(29.6% 0.033 198.7), rgb(23, 50, 51).
Aa
White text reads best on this color (13.63:1).
About this color
#173233 is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.033 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.038 away. White text reads best on it, at 13.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.54:1 |
| White text | 13.63:1 |
Values
| HEX | #173233 |
| RGB | rgb(23, 50, 51) |
| HSL | hsl(182, 38%, 15%) |
| OKLCH | oklch(29.6% 0.033 198.7) |
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 #173233 | 13.63:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #173233 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #173233 text on white | 13.63:1 | AAA | Lc 100.1 | Preferred for body text |
| #173233 text on black | 1.54:1 | 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
#F2F7F7
oklch(97.2% 0.005 197.1)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#C9DEDE
oklch(88.5% 0.022 196.8)
-
Step 300
300
#A4C9CA
oklch(80.9% 0.039 198.4)
-
Step 400
400
#70ADAF
oklch(70.7% 0.063 198.5)
-
Step 500
500
#46989B
oklch(63% 0.08 198.6)
-
Step 600
600
#1E8386
oklch(55.7% 0.087 198)
-
Step 700
700
#0C6E72
oklch(49% 0.081 199.4)
-
Step 800
800
#115A5D
oklch(42.7% 0.067 199.2)
-
Step 900
900
#194A4C
oklch(37.7% 0.052 199)
-
Step 950
950 (this color)
#173233
oklch(29.6% 0.033 198.7)
#173233 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) | #2F3033 | 0.034 |
| Deuteranopia (no green cones) | #2A2C33 | 0.032 |
| Tritanopia (no blue cones) | #083432 | 0.014 |
| Achromatopsia (no color) | #2E2E2E | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173233
#173233
oklch(29.6% 0.033 198.7)
- #3C2626
#3C2626
oklch(29.6% 0.034 19.3)
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 #173233, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.038
- Jet #212529 ΔE 0.044
- Midnight Green #073B4C ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.047
- Dark #1B2431 ΔE 0.049
- Oxford Blue #1B263B ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.052
- Pakistan Green #283618 ΔE 0.054
Use #173233 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.