#1A545A
Closest named color: Deep Teal (#00555A). oklch(41.2% 0.059 204.9), rgb(26, 84, 90).
Aa
White text reads best on this color (8.53:1).
About this color
#1A545A is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.059 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.011 away. White text reads best on it, at 8.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.45:1 |
| White text | 8.53:1 |
Values
| HEX | #1A545A |
| RGB | rgb(26, 84, 90) |
| HSL | hsl(186, 55%, 23%) |
| OKLCH | oklch(41.2% 0.059 204.9) |
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 #1A545A | 8.53:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #1A545A | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #1A545A text on white | 8.53:1 | AAA | Lc 89.1 | Fine for body text |
| #1A545A text on black | 2.45:1 | Fails | Lc -13.1 | 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
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A8C8CB
oklch(81% 0.035 203.5)
-
Step 400
400
#77ABB1
oklch(70.7% 0.055 205)
-
Step 500
500
#51969E
oklch(63.1% 0.071 205.3)
-
Step 600
600
#318089
oklch(55.6% 0.077 205.7)
-
Step 700
700
#226C74
oklch(49% 0.072 205.4)
-
Step 800
800 (this color)
#1A545A
oklch(41.2% 0.059 204.9)
-
Step 900
900
#20494D
oklch(37.8% 0.046 203.9)
-
Step 950
950
#142B2D
oklch(27.1% 0.029 202.9)
#1A545A 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) | #4D505A | 0.059 |
| Deuteranopia (no green cones) | #43495A | 0.054 |
| Tritanopia (no blue cones) | #005856 | 0.019 |
| Achromatopsia (no color) | #4C4C4C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A545A
#1A545A
oklch(41.2% 0.059 204.9)
- #673E3A
#673E3A
oklch(41.1% 0.058 25.9)
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 #1A545A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.011
- Dark Slate Gray #2F4F4F ΔE 0.024
- Dark Teal #014D4E ΔE 0.032
- Dark Blue Green #005249 ΔE 0.033
- Petrol #005F6A ΔE 0.037
- Charcoal #264653 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.052
Use #1A545A 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.