#1D4954
Closest named color: Charcoal (#264653). oklch(38% 0.051 216.8), rgb(29, 73, 84).
Aa
White text reads best on this color (9.84:1).
About this color
#1D4954 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.051 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.012 away. White text reads best on it, at 9.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.13:1 |
| White text | 9.84:1 |
Values
| HEX | #1D4954 |
| RGB | rgb(29, 73, 84) |
| HSL | hsl(192, 49%, 22%) |
| OKLCH | oklch(38% 0.051 216.8) |
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 #1D4954 | 9.84:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #1D4954 | 2.13:1 | Fails | Lc 11.3 | Not readable |
| #1D4954 text on white | 9.84:1 | AAA | Lc 92.7 | Preferred for body text |
| #1D4954 text on black | 2.13:1 | Fails | Lc -9.8 | 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
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A6C7D1
oklch(80.9% 0.038 218.1)
-
Step 400
400
#73ABBA
oklch(70.8% 0.062 216.4)
-
Step 500
500
#4B95A8
oklch(63% 0.079 216.8)
-
Step 600
600
#287F94
oklch(55.5% 0.086 217.4)
-
Step 700
700
#196C7E
oklch(49.2% 0.08 216.2)
-
Step 800
800
#195866
oklch(42.8% 0.066 215.8)
-
Step 900
900 (this color)
#1D4954
oklch(38% 0.051 216.8)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#1D4954 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) | #424755 | 0.046 |
| Deuteranopia (no green cones) | #3A4154 | 0.041 |
| Tritanopia (no blue cones) | #004D4C | 0.027 |
| Achromatopsia (no color) | #434343 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D4954
#1D4954
oklch(38% 0.051 216.8)
- #5A382F
#5A382F
oklch(37.9% 0.051 35.5)
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 #1D4954, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.012
- Dark Grey Blue #29465B ΔE 0.022
- Dark Teal #014D4E ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.031
- Deep Teal #00555A ΔE 0.038
- Dark Blue Green #005249 ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.045
Use #1D4954 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.