#598AA3
Closest named color: Dusty Blue (#5A86AD). oklch(60.8% 0.065 231.5), rgb(89, 138, 163).
Aa
Black text reads best on this color (5.58:1).
About this color
#598AA3 is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.065 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.022 away. Black text reads best on it, at 5.58:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.58:1 |
| White text | 3.75:1 |
Values
| HEX | #598AA3 |
| RGB | rgb(89, 138, 163) |
| HSL | hsl(200, 29%, 49%) |
| OKLCH | oklch(60.8% 0.065 231.5) |
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 #598AA3 | 3.75:1 | AA large text | Lc -70.5 | Content text, not long reading |
| Black text on #598AA3 | 5.58:1 | AA | Lc 39.0 | Non-text elements, placeholder text |
| #598AA3 text on white | 3.75:1 | AA large text | Lc 65.0 | Content text, not long reading |
| #598AA3 text on black | 5.58:1 | AA | Lc -36.6 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D2
oklch(81% 0.032 231.4)
-
Step 400
400
#81A7BB
oklch(70.7% 0.051 231.3)
-
Step 500
500 (this color)
#598AA3
oklch(60.8% 0.065 231.5)
-
Step 600
600
#457B96
oklch(55.7% 0.071 231.7)
-
Step 700
700
#366780
oklch(49% 0.067 232.6)
-
Step 800
800
#2E5468
oklch(42.6% 0.055 233)
-
Step 900
900
#294654
oklch(37.7% 0.042 230.2)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#598AA3 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) | #7E88A4 | 0.046 |
| Deuteranopia (no green cones) | #7380A3 | 0.040 |
| Tritanopia (no blue cones) | #399192 | 0.048 |
| Achromatopsia (no color) | #848484 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598AA3
#598AA3
oklch(60.8% 0.065 231.5)
- #A3785F
#A3785F
oklch(60.9% 0.065 51.3)
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 #598AA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.022
- Off Blue #5684AE ΔE 0.028
- Steel #738595 ΔE 0.035
- Blue Grey #758DA3 ΔE 0.035
- Light Slate Gray #778899 ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.039
- Slate Gray #708090 ΔE 0.040
- Faded Blue #658CBB ΔE 0.040
Use #598AA3 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.