#5993BC
Closest named color: Faded Blue (#658CBB). oklch(64% 0.087 240.8), rgb(89, 147, 188).
Aa
Black text reads best on this color (6.32:1).
About this color
#5993BC is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.087 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.022 away. Black text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #5993BC |
| RGB | rgb(89, 147, 188) |
| HSL | hsl(205, 42%, 54%) |
| OKLCH | oklch(64% 0.087 240.8) |
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 #5993BC | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #5993BC | 6.32:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #5993BC text on white | 3.32:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #5993BC text on black | 6.32:1 | AA | Lc -41.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE8
oklch(88.6% 0.024 240.1)
-
Step 300
300
#A9C5DA
oklch(80.9% 0.042 240.5)
-
Step 400
400
#7AA7C7
oklch(70.8% 0.067 239.9)
-
Step 500
500 (this color)
#5993BC
oklch(64% 0.087 240.8)
-
Step 600
600
#397AA5
oklch(55.6% 0.094 240.4)
-
Step 700
700
#2B668E
oklch(49% 0.089 241.5)
-
Step 800
800
#255473
oklch(42.8% 0.073 240.4)
-
Step 900
900
#23455D
oklch(37.6% 0.057 241.3)
-
Step 950
950
#152936
oklch(27% 0.036 238.5)
#5993BC 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) | #8193BE | 0.047 |
| Deuteranopia (no green cones) | #7488BB | 0.040 |
| Tritanopia (no blue cones) | #1E9DA1 | 0.070 |
| Achromatopsia (no color) | #8D8D8D | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5993BC
#5993BC
oklch(64% 0.087 240.8)
- #B38054
#B38054
oklch(64.1% 0.087 61.1)
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 #5993BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.022
- Dusty Blue #5A86AD ΔE 0.038
- Silver Lake Blue #778DA9 ΔE 0.041
- Off Blue #5684AE ΔE 0.044
- Blue Grey #758DA3 ΔE 0.045
- Cool Blue #4984B8 ΔE 0.047
- Steel Blue #4682B4 ΔE 0.054
- Greyblue #77A1B5 ΔE 0.058
Use #5993BC 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.