#496E91
Closest named color: Metallic Blue (#4F738E). oklch(52.5% 0.07 247.9), rgb(73, 110, 145).
Aa
White text reads best on this color (5.35:1).
About this color
#496E91 is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.070 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.019 away. White text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #496E91 |
| RGB | rgb(73, 110, 145) |
| HSL | hsl(209, 33%, 43%) |
| OKLCH | oklch(52.5% 0.07 247.9) |
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 #496E91 | 5.35:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #496E91 | 3.92:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #496E91 text on white | 5.35:1 | AA | Lc 76.6 | Fine for body text |
| #496E91 text on black | 3.92:1 | AA large text | Lc -25.2 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE4
oklch(88.4% 0.018 248)
-
Step 300
300
#B1C3D4
oklch(80.9% 0.031 246.7)
-
Step 400
400
#88A4BF
oklch(70.7% 0.05 247.6)
-
Step 500
500
#6A8DAF
oklch(63% 0.065 248.2)
-
Step 600
600 (this color)
#496E91
oklch(52.5% 0.07 247.9)
-
Step 700
700
#426484
oklch(49.1% 0.065 247.8)
-
Step 800
800
#37526B
oklch(42.8% 0.053 247.3)
-
Step 900
900
#304457
oklch(37.8% 0.041 247.7)
-
Step 950
950
#1C2833
oklch(27.1% 0.026 246.6)
#496E91 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) | #606F93 | 0.030 |
| Deuteranopia (no green cones) | #566790 | 0.024 |
| Tritanopia (no blue cones) | #28767A | 0.059 |
| Achromatopsia (no color) | #6B6B6B | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #496E91
#496E91
oklch(52.5% 0.07 247.9)
- #85633D
#85633D
oklch(52.6% 0.069 68.5)
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 #496E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.019
- Dull Blue #49759C ΔE 0.024
- Muted Blue #3B719F ΔE 0.024
- Flat Blue #3C73A8 ΔE 0.036
- Cerulean #457B9D ΔE 0.038
- Denim #3B638C ΔE 0.038
- Stormy Blue #507B9C ΔE 0.040
- Sea Blue #047495 ΔE 0.043
Use #496E91 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.