#1B60A4
Closest named color: Peacock Blue (#016795). oklch(48.4% 0.128 252.2), rgb(27, 96, 164).
Aa
White text reads best on this color (6.44:1).
About this color
#1B60A4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.128 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.036 away. White text reads best on it, at 6.44:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #1B60A4 |
| RGB | rgb(27, 96, 164) |
| HSL | hsl(210, 72%, 37%) |
| OKLCH | oklch(48.4% 0.128 252.2) |
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 #1B60A4 | 6.44:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #1B60A4 | 3.25:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #1B60A4 text on white | 6.44:1 | AA | Lc 81.6 | Fine for body text |
| #1B60A4 text on black | 3.25:1 | AA large text | Lc -20.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A4C4E8
oklch(80.9% 0.062 251.6)
-
Step 400
400
#72A4DD
oklch(70.6% 0.1 252.4)
-
Step 500
500
#4B8DD3
oklch(63.1% 0.126 251.7)
-
Step 600
600
#2C75C1
oklch(55.6% 0.138 252.5)
-
Step 700
700 (this color)
#1B60A4
oklch(48.4% 0.128 252.2)
-
Step 800
800
#1B5087
oklch(42.6% 0.107 252.5)
-
Step 900
900
#1D436C
oklch(37.7% 0.083 252.4)
-
Step 950
950
#12283F
oklch(27.1% 0.051 251.2)
#1B60A4 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) | #3E65A7 | 0.034 |
| Deuteranopia (no green cones) | #2759A3 | 0.020 |
| Tritanopia (no blue cones) | #00707A | 0.094 |
| Achromatopsia (no color) | #5E5E5E | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B60A4
#1B60A4
oklch(48.4% 0.128 252.2)
- #825300
#825300
oklch(48.3% 0.104 71.8)
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 #1B60A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.037
- Dusky Blue #475F94 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.046
- Dusk Blue #26538D ΔE 0.048
- Denim #3B638C ΔE 0.048
- French Blue #436BAD ΔE 0.051
Use #1B60A4 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.