#1C4E5E
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.059 222.5), rgb(28, 78, 94).
Aa
White text reads best on this color (9.12:1).
About this color
#1C4E5E is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.059 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.026 away. White text reads best on it, at 9.12:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #1C4E5E |
| RGB | rgb(28, 78, 94) |
| HSL | hsl(195, 54%, 24%) |
| OKLCH | oklch(39.8% 0.059 222.5) |
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 #1C4E5E | 9.12:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #1C4E5E | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #1C4E5E text on white | 9.12:1 | AAA | Lc 90.8 | Preferred for body text |
| #1C4E5E text on black | 2.30:1 | Fails | Lc -11.5 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A2C8D5
oklch(81% 0.044 220.7)
-
Step 400
400
#6DABC1
oklch(70.7% 0.071 222.5)
-
Step 500
500
#4196B1
oklch(63.2% 0.09 222)
-
Step 600
600
#147F9D
oklch(55.5% 0.099 223.1)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#0A586D
oklch(42.8% 0.076 222.3)
-
Step 900
900 (this color)
#1C4E5E
oklch(39.8% 0.059 222.5)
-
Step 950
950
#0F2A34
oklch(26.9% 0.038 225.1)
#1C4E5E 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) | #454C5F | 0.048 |
| Deuteranopia (no green cones) | #3B455E | 0.042 |
| Tritanopia (no blue cones) | #005353 | 0.032 |
| Achromatopsia (no color) | #484848 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C4E5E
#1C4E5E
oklch(39.8% 0.059 222.5)
- #623C2D
#623C2D
oklch(39.7% 0.059 42.2)
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 #1C4E5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.026
- Charcoal #264653 ΔE 0.027
- Deep Teal #00555A ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.031
- Dark Teal #014D4E ΔE 0.033
- Dark Blue Green #005249 ΔE 0.046
- Petrol #005F6A ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.059
Use #1C4E5E 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.