#184759
Closest named color: Charcoal (#264653). oklch(37.5% 0.059 227), rgb(24, 71, 89).
Aa
White text reads best on this color (10.07:1).
About this color
#184759 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.015 away. White text reads best on it, at 10.07:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #184759 |
| RGB | rgb(24, 71, 89) |
| HSL | hsl(197, 58%, 22%) |
| OKLCH | oklch(37.5% 0.059 227) |
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 #184759 | 10.07:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #184759 | 2.08:1 | Fails | Lc 10.8 | Not readable |
| #184759 text on white | 10.07:1 | AAA | Lc 93.2 | Preferred for body text |
| #184759 text on black | 2.08:1 | Fails | Lc -9.3 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A4C7D7
oklch(80.9% 0.044 227.3)
-
Step 400
400
#70AAC3
oklch(70.7% 0.071 227)
-
Step 500
500
#4694B4
oklch(63.1% 0.09 227.7)
-
Step 600
600
#1F7E9F
oklch(55.5% 0.097 226.7)
-
Step 700
700
#0E6A88
oklch(49% 0.091 227)
-
Step 800
800
#12576F
oklch(42.8% 0.075 226.9)
-
Step 900
900 (this color)
#184759
oklch(37.5% 0.059 227)
-
Step 950
950
#102A34
oklch(27% 0.037 225.8)
#184759 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) | #3D465A | 0.043 |
| Deuteranopia (no green cones) | #343F59 | 0.038 |
| Tritanopia (no blue cones) | #004C4D | 0.033 |
| Achromatopsia (no color) | #424242 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184759
#184759
oklch(37.5% 0.059 227)
- #5A3725
#5A3725
oklch(37.4% 0.058 47.6)
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 #184759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.015
- Dark Grey Blue #29465B ΔE 0.017
- Dark Teal #014D4E ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.043
- Midnight Green #073B4C ΔE 0.045
- Deep Teal #00555A ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.052
Use #184759 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.