#1B6A91
Closest named color: Peacock Blue (#016795). oklch(49.7% 0.096 235.6), rgb(27, 106, 145).
Aa
White text reads best on this color (5.97:1).
About this color
#1B6A91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.096 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.016 away. White text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #1B6A91 |
| RGB | rgb(27, 106, 145) |
| HSL | hsl(200, 69%, 34%) |
| OKLCH | oklch(49.7% 0.096 235.6) |
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 #1B6A91 | 5.97:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #1B6A91 | 3.51:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #1B6A91 text on white | 5.97:1 | AA | Lc 79.5 | Fine for body text |
| #1B6A91 text on black | 3.51:1 | AA large text | Lc -22.3 | 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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DB
oklch(80.9% 0.046 236.1)
-
Step 400
400
#72A8C9
oklch(70.6% 0.075 236.1)
-
Step 500
500
#4A92BB
oklch(63.1% 0.095 236)
-
Step 600
600
#287CA7
oklch(55.6% 0.103 235.6)
-
Step 700
700 (this color)
#1B6A91
oklch(49.7% 0.096 235.6)
-
Step 800
800
#185574
oklch(42.6% 0.079 235.6)
-
Step 900
900
#1C465E
oklch(37.6% 0.062 236.8)
-
Step 950
950
#122937
oklch(26.9% 0.039 237.4)
#1B6A91 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) | #576993 | 0.057 |
| Deuteranopia (no green cones) | #475F90 | 0.046 |
| Tritanopia (no blue cones) | #007477 | 0.060 |
| Achromatopsia (no color) | #636363 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6A91
#1B6A91
oklch(49.7% 0.096 235.6)
- #8B5227
#8B5227
oklch(49.6% 0.095 55.2)
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 #1B6A91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.016
- Ocean Blue #03719C ΔE 0.024
- Denim #3B638C ΔE 0.028
- Sea Blue #047495 ΔE 0.029
- Muted Blue #3B719F ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.048
Use #1B6A91 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.