#1A5564
Closest named color: Deep Teal (#00555A). oklch(41.9% 0.064 218.2), rgb(26, 85, 100).
Aa
White text reads best on this color (8.30:1).
About this color
#1A5564 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.064 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.022 away. White text reads best on it, at 8.30:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #1A5564 |
| RGB | rgb(26, 85, 100) |
| HSL | hsl(192, 59%, 25%) |
| OKLCH | oklch(41.9% 0.064 218.2) |
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 #1A5564 | 8.30:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #1A5564 | 2.52:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #1A5564 text on white | 8.30:1 | AAA | Lc 88.4 | Fine for body text |
| #1A5564 text on black | 2.52:1 | Fails | Lc -13.8 | 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 800.
-
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
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A7C7D1
oklch(80.9% 0.037 218.7)
-
Step 400
400
#76AABA
oklch(70.7% 0.06 219)
-
Step 500
500
#4F95A8
oklch(63.2% 0.076 217.6)
-
Step 600
600
#2E7F94
oklch(55.7% 0.083 218.3)
-
Step 700
700
#1F6B7E
oklch(49.1% 0.077 218.3)
-
Step 800
800 (this color)
#1A5564
oklch(41.9% 0.064 218.2)
-
Step 900
900
#1E4853
oklch(37.7% 0.05 217.5)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#1A5564 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) | #4B5265 | 0.054 |
| Deuteranopia (no green cones) | #414B64 | 0.049 |
| Tritanopia (no blue cones) | #005A5A | 0.029 |
| Achromatopsia (no color) | #4E4E4E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A5564
#1A5564
oklch(41.9% 0.064 218.2)
- #6B4033
#6B4033
oklch(41.9% 0.064 37.6)
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 #1A5564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.022
- Petrol #005F6A ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Teal #014D4E ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.046
- Charcoal #264653 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.052
Use #1A5564 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.