#4597BB
Closest named color: Faded Blue (#658CBB). oklch(64% 0.096 229.7), rgb(69, 151, 187).
Aa
Black text reads best on this color (6.39:1).
About this color
#4597BB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.096 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.040 away. Black text reads best on it, at 6.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.39:1 |
| White text | 3.28:1 |
Values
| HEX | #4597BB |
| RGB | rgb(69, 151, 187) |
| HSL | hsl(198, 46%, 50%) |
| OKLCH | oklch(64% 0.096 229.7) |
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 #4597BB | 3.28:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #4597BB | 6.39:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #4597BB text on white | 3.28:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #4597BB text on black | 6.39:1 | AA | Lc -41.8 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A2C7D9
oklch(80.9% 0.047 229)
-
Step 400
400
#6EAAC6
oklch(70.7% 0.074 229.2)
-
Step 500
500 (this color)
#4597BB
oklch(64% 0.096 229.7)
-
Step 600
600
#177EA4
oklch(55.6% 0.104 229.5)
-
Step 700
700
#026A8D
oklch(49.1% 0.097 230)
-
Step 800
800
#0C5772
oklch(42.8% 0.08 229)
-
Step 900
900
#16485C
oklch(37.8% 0.062 228.6)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#4597BB 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) | #8595BD | 0.068 |
| Deuteranopia (no green cones) | #7489BB | 0.058 |
| Tritanopia (no blue cones) | #00A1A3 | 0.060 |
| Achromatopsia (no color) | #8E8E8E | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4597BB
#4597BB
oklch(64% 0.096 229.7)
- #BB7A56
#BB7A56
oklch(63.9% 0.096 49.4)
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 #4597BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.048
- Blue NCS #118AB2 ΔE 0.051
- Off Blue #5684AE ΔE 0.052
- Cool Blue #4984B8 ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.055
- Cadet Blue #5F9EA0 ΔE 0.055
- Blue Grey #758DA3 ΔE 0.056
Use #4597BB 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.