#5A718F
Closest named color: Metallic Blue (#4F738E). oklch(54.2% 0.055 255.3), rgb(90, 113, 143).
Aa
White text reads best on this color (5.00:1).
About this color
#5A718F is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.055 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.014 away. White text reads best on it, at 5.00:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #5A718F |
| RGB | rgb(90, 113, 143) |
| HSL | hsl(214, 23%, 46%) |
| OKLCH | oklch(54.2% 0.055 255.3) |
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 #5A718F | 5.00:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #5A718F | 4.19:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #5A718F text on white | 5.00:1 | AA | Lc 74.6 | Content text, not long reading |
| #5A718F text on black | 4.19:1 | AA large text | Lc -27.1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3DAE2
oklch(88.5% 0.013 251.6)
-
Step 300
300
#B6C2D1
oklch(80.9% 0.025 254)
-
Step 400
400
#91A2B9
oklch(70.7% 0.039 256)
-
Step 500
500
#758BA8
oklch(63% 0.051 255.4)
-
Step 600
600 (this color)
#5A718F
oklch(54.2% 0.055 255.3)
-
Step 700
700
#4D627D
oklch(49% 0.051 254.9)
-
Step 800
800
#405066
oklch(42.7% 0.042 256.4)
-
Step 900
900
#364353
oklch(37.8% 0.032 253.8)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#5A718F 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) | #667290 | 0.017 |
| Deuteranopia (no green cones) | #606D8E | 0.013 |
| Tritanopia (no blue cones) | #49787B | 0.049 |
| Achromatopsia (no color) | #6F6F6F | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A718F
#5A718F
oklch(54.2% 0.055 255.3)
- #826B4B
#826B4B
oklch(54.2% 0.055 75.4)
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 #5A718F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.014
- Dull Blue #49759C ΔE 0.026
- Stormy Blue #507B9C ΔE 0.031
- Cerulean #457B9D ΔE 0.035
- Grey Blue #647D8E ΔE 0.040
- Muted Blue #3B719F ΔE 0.041
- Battleship Gray #6C757D ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.048
Use #5A718F 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.