#5791CD
Closest named color: Faded Blue (#658CBB). oklch(64.3% 0.109 250.6), rgb(87, 145, 205).
Aa
Black text reads best on this color (6.33:1).
About this color
#5791CD is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.109 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.029 away. Black text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #5791CD |
| RGB | rgb(87, 145, 205) |
| HSL | hsl(211, 54%, 57%) |
| OKLCH | oklch(64.3% 0.109 250.6) |
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 #5791CD | 3.31:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #5791CD | 6.33:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #5791CD text on white | 3.31:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #5791CD text on black | 6.33:1 | AA | Lc -41.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A7C4E3
oklch(80.9% 0.054 250.2)
-
Step 400
400
#78A5D4
oklch(70.8% 0.085 250.2)
-
Step 500
500 (this color)
#5791CD
oklch(64.3% 0.109 250.6)
-
Step 600
600
#3677B6
oklch(55.7% 0.119 250.2)
-
Step 700
700
#28639D
oklch(49% 0.111 250.9)
-
Step 800
800
#23517F
oklch(42.6% 0.092 250.9)
-
Step 900
900
#224466
oklch(37.8% 0.071 250.2)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#5791CD 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) | #7894D0 | 0.039 |
| Deuteranopia (no green cones) | #6888CC | 0.028 |
| Tritanopia (no blue cones) | #009FA6 | 0.093 |
| Achromatopsia (no color) | #8D8D8D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5791CD
#5791CD
oklch(64.3% 0.109 250.6)
- #B7803A
#B7803A
oklch(64.2% 0.11 70)
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 #5791CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.029
- Dark Sky Blue #448EE4 ΔE 0.040
- Cool Blue #4984B8 ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.050
- Cornflower Blue #6495ED ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.051
- Off Blue #5684AE ΔE 0.053
- Steel Blue #4682B4 ΔE 0.056
Use #5791CD 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.