#1A4F5C
Closest named color: Deep Teal (#00555A). oklch(39.9% 0.059 217.1), rgb(26, 79, 92).
Aa
White text reads best on this color (9.06:1).
About this color
#1A4F5C is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.059 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.023 away. White text reads best on it, at 9.06:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #1A4F5C |
| RGB | rgb(26, 79, 92) |
| HSL | hsl(192, 56%, 23%) |
| OKLCH | oklch(39.9% 0.059 217.1) |
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 #1A4F5C | 9.06:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #1A4F5C | 2.31:1 | Fails | Lc 13.4 | Not readable |
| #1A4F5C text on white | 9.06:1 | AAA | Lc 90.6 | Preferred for body text |
| #1A4F5C text on black | 2.31:1 | Fails | Lc -11.7 | 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
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DDE4
oklch(88.4% 0.024 219.7)
-
Step 300
300
#A1C8D3
oklch(80.8% 0.044 216.8)
-
Step 400
400
#6CACBD
oklch(70.8% 0.07 216.5)
-
Step 500
500
#3D97AD
oklch(63.2% 0.09 216.8)
-
Step 600
600
#078199
oklch(55.7% 0.098 217.2)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#03596A
oklch(42.8% 0.075 216.8)
-
Step 900
900 (this color)
#1A4F5C
oklch(39.9% 0.059 217.1)
-
Step 950
950
#0D2B32
oklch(27% 0.037 215.6)
#1A4F5C 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) | #464D5D | 0.051 |
| Deuteranopia (no green cones) | #3D465C | 0.045 |
| Tritanopia (no blue cones) | #005453 | 0.029 |
| Achromatopsia (no color) | #494949 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A4F5C
#1A4F5C
oklch(39.9% 0.059 217.1)
- #633C30
#633C30
oklch(40% 0.059 37.9)
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 #1A4F5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.023
- Dark Slate Gray #2F4F4F ΔE 0.028
- Charcoal #264653 ΔE 0.029
- Dark Teal #014D4E ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.030
- Dark Blue Green #005249 ΔE 0.040
- Petrol #005F6A ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.059
Use #1A4F5C 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.