#184451
Closest named color: Charcoal (#264653). oklch(36.2% 0.053 220.6), rgb(24, 68, 81).
Aa
White text reads best on this color (10.58:1).
About this color
#184451 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.053 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.016 away. White text reads best on it, at 10.58:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.98:1 |
| White text | 10.58:1 |
Values
| HEX | #184451 |
| RGB | rgb(24, 68, 81) |
| HSL | hsl(194, 54%, 21%) |
| OKLCH | oklch(36.2% 0.053 220.6) |
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 #184451 | 10.58:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #184451 | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #184451 text on white | 10.58:1 | AAA | Lc 94.3 | Preferred for body text |
| #184451 text on black | 1.98:1 | Fails | Lc -8.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A6C7D3
oklch(80.9% 0.039 221.9)
-
Step 400
400
#73AABC
oklch(70.6% 0.063 220.4)
-
Step 500
500
#4B95AC
oklch(63.1% 0.081 220.7)
-
Step 600
600
#297F97
oklch(55.6% 0.087 220.4)
-
Step 700
700
#1A6B81
oklch(49.1% 0.081 220.7)
-
Step 800
800
#195769
oklch(42.6% 0.068 221.3)
-
Step 900
900 (this color)
#184451
oklch(36.2% 0.053 220.6)
-
Step 950
950
#122A32
oklch(26.9% 0.033 222)
#184451 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) | #3C4252 | 0.044 |
| Deuteranopia (no green cones) | #343C51 | 0.039 |
| Tritanopia (no blue cones) | #004848 | 0.027 |
| Achromatopsia (no color) | #3F3F3F | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184451
#184451
oklch(36.2% 0.053 220.6)
- #553428
#553428
oklch(36.2% 0.052 40.7)
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 #184451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.016
- Dark Grey Blue #29465B ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.029
- Dark Teal #014D4E ΔE 0.033
- Midnight Green #073B4C ΔE 0.034
- Onyx #343A40 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.047
Use #184451 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.