#1A596E
Closest named color: Petrol (#005F6A). oklch(43.5% 0.071 224.5), rgb(26, 89, 110).
Aa
White text reads best on this color (7.78:1).
About this color
#1A596E is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.071 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.023 away. White text reads best on it, at 7.78:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #1A596E |
| RGB | rgb(26, 89, 110) |
| HSL | hsl(195, 62%, 27%) |
| OKLCH | oklch(43.5% 0.071 224.5) |
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 #1A596E | 7.78:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #1A596E | 2.69:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #1A596E text on white | 7.78:1 | AAA | Lc 86.7 | Fine for body text |
| #1A596E text on black | 2.69:1 | Fails | Lc -15.3 | Dividers and decoration only |
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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A5C7D5
oklch(80.9% 0.041 224.8)
-
Step 400
400
#72AAC0
oklch(70.7% 0.067 224.6)
-
Step 500
500
#4A94B0
oklch(63% 0.085 225.3)
-
Step 600
600
#267E9B
oklch(55.5% 0.092 224.5)
-
Step 700
700
#176A85
oklch(49% 0.086 225.4)
-
Step 800
800 (this color)
#1A596E
oklch(43.5% 0.071 224.5)
-
Step 900
900
#1B4857
oklch(37.7% 0.055 223.2)
-
Step 950
950
#112A33
oklch(26.9% 0.035 224)
#1A596E 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) | #4D576F | 0.054 |
| Deuteranopia (no green cones) | #424F6E | 0.048 |
| Tritanopia (no blue cones) | #005F60 | 0.036 |
| Achromatopsia (no color) | #525252 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A596E
#1A596E
oklch(43.5% 0.071 224.5)
- #71442F
#71442F
oklch(43.5% 0.07 45.4)
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 #1A596E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.023
- Deep Teal #00555A ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.048
- Light Navy #155084 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.052
- Dark Aqua #05696B ΔE 0.053
Use #1A596E 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.