#165A91
Closest named color: Dusk Blue (#26538D). oklch(45.6% 0.111 248.2), rgb(22, 90, 145).
Aa
White text reads best on this color (7.22:1).
About this color
#165A91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.111 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.021 away. White text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #165A91 |
| RGB | rgb(22, 90, 145) |
| HSL | hsl(207, 74%, 33%) |
| OKLCH | oklch(45.6% 0.111 248.2) |
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 #165A91 | 7.22:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #165A91 | 2.90:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #165A91 text on white | 7.22:1 | AAA | Lc 84.7 | Fine for body text |
| #165A91 text on black | 2.90:1 | Fails | Lc -17.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C7DCF0
oklch(88.5% 0.036 246.9)
-
Step 300
300
#A0C5E9
oklch(80.9% 0.065 247.9)
-
Step 400
400
#6BA6DE
oklch(70.7% 0.103 248.2)
-
Step 500
500
#3E8ED5
oklch(63% 0.133 248.4)
-
Step 600
600
#1277C2
oklch(55.5% 0.143 248.1)
-
Step 700
700
#0064A7
oklch(49.1% 0.132 247.9)
-
Step 800
800 (this color)
#165A91
oklch(45.6% 0.111 248.2)
-
Step 900
900
#14446D
oklch(37.7% 0.087 248.4)
-
Step 950
950
#0E2840
oklch(27% 0.055 249)
#165A91 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) | #405D93 | 0.039 |
| Deuteranopia (no green cones) | #2D5290 | 0.026 |
| Tritanopia (no blue cones) | #00676E | 0.080 |
| Achromatopsia (no color) | #575757 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #165A91
#165A91
oklch(45.6% 0.111 248.2)
- #7B4A00
#7B4A00
oklch(45.6% 0.1 67.5)
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 #165A91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.022
- Deep Sea Blue #015482 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.032
- Light Navy #155084 ΔE 0.034
- Peacock Blue #016795 ΔE 0.038
- Denim #3B638C ΔE 0.045
- Dusky Blue #475F94 ΔE 0.050
Use #165A91 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.