#1E5F79
Closest named color: Petrol (#005F6A). oklch(45.7% 0.076 228.8), rgb(30, 95, 121).
Aa
White text reads best on this color (7.07:1).
About this color
#1E5F79 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.076 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.030 away. White text reads best on it, at 7.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #1E5F79 |
| RGB | rgb(30, 95, 121) |
| HSL | hsl(197, 60%, 30%) |
| OKLCH | oklch(45.7% 0.076 228.8) |
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 #1E5F79 | 7.07:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #1E5F79 | 2.96:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #1E5F79 text on white | 7.07:1 | AAA | Lc 84.2 | Fine for body text |
| #1E5F79 text on black | 2.96:1 | Fails | Lc -17.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A4C7D8
oklch(81% 0.044 228.9)
-
Step 400
400
#70AAC4
oklch(70.8% 0.071 228)
-
Step 500
500
#4694B5
oklch(63.1% 0.091 228.5)
-
Step 600
600
#207EA1
oklch(55.6% 0.099 228.4)
-
Step 700
700
#0F6A8A
oklch(49.1% 0.092 228.7)
-
Step 800
800 (this color)
#1E5F79
oklch(45.7% 0.076 228.8)
-
Step 900
900
#19475B
oklch(37.6% 0.06 230.1)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#1E5F79 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) | #515D7A | 0.054 |
| Deuteranopia (no green cones) | #455479 | 0.048 |
| Tritanopia (no blue cones) | #006668 | 0.043 |
| Achromatopsia (no color) | #585858 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E5F79
#1E5F79
oklch(45.7% 0.076 228.8)
- #794A2F
#794A2F
oklch(45.7% 0.076 49.9)
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 #1E5F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.030
- YInMn Blue #415A77 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.035
- Denim #3B638C ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.044
- Dark Aqua #05696B ΔE 0.045
- Peacock Blue #016795 ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.054
Use #1E5F79 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.