#1B5E86
Closest named color: Light Navy Blue (#2E5A88). oklch(46.1% 0.092 240), rgb(27, 94, 134).
Aa
White text reads best on this color (7.01:1).
About this color
#1B5E86 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.092 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.018 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #1B5E86 |
| RGB | rgb(27, 94, 134) |
| HSL | hsl(202, 66%, 32%) |
| OKLCH | oklch(46.1% 0.092 240) |
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 #1B5E86 | 7.01:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #1B5E86 | 2.99:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #1B5E86 text on white | 7.01:1 | AAA | Lc 84.0 | Fine for body text |
| #1B5E86 text on black | 2.99:1 | Fails | Lc -18.0 | 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
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CBDCE8
oklch(88.5% 0.025 238.4)
-
Step 300
300
#A7C5DB
oklch(80.8% 0.045 239.9)
-
Step 400
400
#77A7C9
oklch(70.7% 0.072 239.9)
-
Step 500
500
#5291BB
oklch(63.2% 0.091 239.6)
-
Step 600
600
#347AA7
oklch(55.5% 0.099 240.2)
-
Step 700
700 (this color)
#1B5E86
oklch(46.1% 0.092 240)
-
Step 800
800
#215474
oklch(42.7% 0.076 239.6)
-
Step 900
900
#21465E
oklch(37.8% 0.059 239.4)
-
Step 950
950
#142937
oklch(27% 0.038 239.4)
#1B5E86 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) | #4B5E88 | 0.047 |
| Deuteranopia (no green cones) | #3D5485 | 0.039 |
| Tritanopia (no blue cones) | #00686C | 0.061 |
| Achromatopsia (no color) | #595959 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B5E86
#1B5E86
oklch(46.1% 0.092 240)
- #7D4A1A
#7D4A1A
oklch(46% 0.092 59.9)
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 #1B5E86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.018
- Peacock Blue #016795 ΔE 0.032
- Denim #3B638C ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.037
- Dusk Blue #26538D ΔE 0.037
- YInMn Blue #415A77 ΔE 0.039
- Light Navy #155084 ΔE 0.043
Use #1B5E86 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.