#4590AF
Closest named color: Dusty Blue (#5A86AD). oklch(61.8% 0.088 227.8), rgb(69, 144, 175).
Aa
Black text reads best on this color (5.86:1).
About this color
#4590AF is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.088 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.032 away. Black text reads best on it, at 5.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.86:1 |
| White text | 3.58:1 |
Values
| HEX | #4590AF |
| RGB | rgb(69, 144, 175) |
| HSL | hsl(198, 43%, 48%) |
| OKLCH | oklch(61.8% 0.088 227.8) |
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 #4590AF | 3.58:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #4590AF | 5.86:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #4590AF text on white | 3.58:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #4590AF text on black | 5.86:1 | AA | Lc -38.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300
#A5C7D7
oklch(81% 0.043 228)
-
Step 400
400
#72AAC2
oklch(70.8% 0.068 226.8)
-
Step 500
500 (this color)
#4590AF
oklch(61.8% 0.088 227.8)
-
Step 600
600
#257E9F
oklch(55.7% 0.095 227.6)
-
Step 700
700
#166A88
oklch(49.1% 0.089 227.9)
-
Step 800
800
#17566E
oklch(42.6% 0.073 228.2)
-
Step 900
900
#1B4759
oklch(37.6% 0.057 228.1)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#4590AF 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) | #808EB1 | 0.065 |
| Deuteranopia (no green cones) | #7182AF | 0.058 |
| Tritanopia (no blue cones) | #00999A | 0.056 |
| Achromatopsia (no color) | #878787 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4590AF
#4590AF
oklch(61.8% 0.088 227.8)
- #B17556
#B17556
oklch(61.8% 0.088 47.9)
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 #4590AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.032
- Off Blue #5684AE ΔE 0.036
- Blue NCS #118AB2 ΔE 0.036
- Faded Blue #658CBB ΔE 0.040
- Cool Blue #4984B8 ΔE 0.041
- Steel Blue #4682B4 ΔE 0.044
- Teal Blue #01889F ΔE 0.048
- Blue Grey #758DA3 ΔE 0.051
Use #4590AF 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.