#1C545D
Closest named color: Deep Teal (#00555A). oklch(41.4% 0.059 210), rgb(28, 84, 93).
Aa
White text reads best on this color (8.48:1).
About this color
#1C545D is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.059 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.015 away. White text reads best on it, at 8.48:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.47:1 |
| White text | 8.48:1 |
Values
| HEX | #1C545D |
| RGB | rgb(28, 84, 93) |
| HSL | hsl(188, 54%, 24%) |
| OKLCH | oklch(41.4% 0.059 210) |
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 #1C545D | 8.48:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #1C545D | 2.47:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #1C545D text on white | 8.48:1 | AAA | Lc 89.0 | Fine for body text |
| #1C545D text on black | 2.47:1 | Fails | Lc -13.2 | 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 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#78AAB4
oklch(70.6% 0.055 211.4)
-
Step 500
500
#5295A1
oklch(63% 0.07 210.4)
-
Step 600
600
#337F8C
oklch(55.5% 0.076 210.6)
-
Step 700
700
#246C77
oklch(49.2% 0.071 209.4)
-
Step 800
800 (this color)
#1C545D
oklch(41.4% 0.059 210)
-
Step 900
900
#21484F
oklch(37.6% 0.046 210.7)
-
Step 950
950
#142A2E
oklch(26.9% 0.029 210.5)
#1C545D 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) | #4C515E | 0.056 |
| Deuteranopia (no green cones) | #434A5D | 0.051 |
| Tritanopia (no blue cones) | #005857 | 0.022 |
| Achromatopsia (no color) | #4D4D4D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C545D
#1C545D
oklch(41.4% 0.059 210)
- #683F38
#683F38
oklch(41.4% 0.059 30.3)
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 #1C545D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.015
- Dark Slate Gray #2F4F4F ΔE 0.026
- Petrol #005F6A ΔE 0.035
- Dark Teal #014D4E ΔE 0.036
- Dark Blue Green #005249 ΔE 0.038
- Charcoal #264653 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.045
- Dark Green Blue #1F6357 ΔE 0.054
Use #1C545D 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.